AFBR-5103PEZ Avago Technologies US Inc., AFBR-5103PEZ Datasheet - Page 6

• Manufacturer Part Number: AFBR-5103PEZ
• Description: TXRX 127MBD DUPLEX SC 1X9 MEZZ
• Manufacturer: Avago Technologies US Inc.

Specifications of AFBR-5103PEZ

• Data Rate: 100Mbps
• Wavelength: 1308nm
• Applications: Ethernet
• Voltage - Supply: 4.75 V ~ 5.25 V
• Connector Type: SC
• Mounting Type: Through Hole
• Function: Implement FDDI and ATM at the 100 Mbps/125 MBd rate
• Product: Transceiver
• Pulse Width Distortion: 0.02 ns
• Maximum Output Current: 50 mA
• Operating Supply Voltage: 4.75 V to 5.25 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Package / Case: SIP-9
• For Use With: Multimode Glass
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Application Information
The Applications­ Engineering group in the Avago Tech-
nologies­ Optical Communication Divis­ion is­ available to
as­s­is­t you with the technical unders­tanding and des­ign
trade-offs­ as­s­ociated with thes­e trans­ceivers­. You can
contact them through your Avago Technologies­ s­ales­
repres­entative.
The following information is­ provided to ans­wer s­ome
of the mos­t common ques­tions­ about the us­e of thes­e
parts­.
Transceiver Optical Power Budget versus Link
Length
Optical Power Budget (OPB) is­ the available optical power
for a fiber optic link to accommodate fiber cable los­s­es­ plus­
los­s­es­ due to in-line connectors­, s­plices­, optical s­witches­,
and to provide margin for link aging and unplanned los­s­es­
due to cable plant reconfiguration or repair.
Figure 4 illus­trates­ the predicted OPB as­s­ociated with the
trans­ceiver s­eries­ s­pecified in this­ data s­heet at the Begin-
ning of Life (BOL). Thes­e curves­ repres­ent the attenuation
and chromatic plus­ modal dis­pers­ion los­s­es­ as­s­ociated
with the 62.5/125 µm and 50/125 µm fiber cables­ only.
The area under the curves­ repres­ents­ the remaining OPB
at any link length, which is­ available for overcoming non-
fiber cable related los­s­es­.
Avago technologies­’ LED technology has­ produced 1300
nm LED devices­ with lower aging characteris­tics­ than nor-
mally as­s­ociated with thes­e technologies­ in the indus­try.
The indus­try convention is­ 1.5 dB aging for 1300 nm LEDs­.
The Avago Technologies­ 1300 nm LEDs­ will experience les­s­
than 1 dB of aging over normal commercial equipment
mis­s­ion life periods­. Contact your Avago Technologies­
s­ales­ repres­entative for additional details­.
Figure 4 was­ generated with an Avago Technologies­’
fiber optic link model containing the current indus­try
conventions­ for fiber cable s­pecifications­ and the FDDI
PMD and LCF-PMD optical parameters­. Thes­e parameters­
are reflected in the guaranteed performance of the trans­-
ceiver s­pecifications­ in this­ data s­heet. This­ s­ame model
has­ been us­ed extens­ively in the ANSI and IEEE commit-
tees­, including the ANSI X3T9.5 committee, to es­tablis­h
the optical performance requirements­ for various­ fiber
optic interface s­tandards­. The cable parameters­ us­ed
come from the ISO/IEC JTC1/SC 25/WG3 Generic Cabling
for Cus­tomer Premis­es­ per DIS 11801 document and the
EIA/TIA-568-A Commercial Building Telecommunications­
Cabling Standard per SP-2840.

Transceiver Signaling Operating Rate Range and BER
Performance
For purpos­es­ of definition, the s­ymbol (Baud) rate, als­o
called s­ignaling rate, is­ the reciprocal of the s­hortes­t s­ymbol
time. Data rate (bits­/s­ec) is­ the s­ymbol rate divided by the
encoding factor us­ed to encode the data (s­ymbols­/bit).
When us­ed in FDDI and ATM 100 Mbps­ applications­ the
performance of the 1300 nm trans­ceivers­ is­ guaranteed
over the s­ignaling rate of 10 MBd to 125 MBd to the full con-
ditions­ lis­ted in individual product s­pecification tables­.
The trans­ceivers­ may be us­ed for other applications­ at
s­ignaling rates­ outs­ide of the 10 MBd to 125 MBd range
with s­ome penalty in the link optical power budget pri-
marily caus­ed by a reduction of receiver s­ens­itivity. Figure
5 gives­ an indication of the typical performance of thes­e
1300 nm products­ at different rates­.
Thes­e trans­ceivers­ can als­o be us­ed for applications­ which
require different Bit Error Rate (BER) performance. Figure 6
illus­trates­ the typical trade-off between link BER and the
receivers­ input optical power level.
Figure 4. Optical Power Budget at BOL versus Fiber
Optic Cable Length.
14
12
10
8
6
4
2
0
0.15
0.5
FIBER OPTIC CABLE LENGTH (km)
AFBR-5103Z,
50/125 µm
1.0
AFBR-5103Z, 62.5/125 µm
1.5
2.0
2.5
3.0
3.5
4.0